TITLE: Toxicity Testing and Determining the LC50 INTRODUCTION: Our main objective for this experiment was to determine which three chemicals were going to be the most toxic to the brine shrimp by adding drops of vinegar‚ bleach and ammonia to the controlled water. We found that the vinegar was the most effective and the quickest. The ending results were very interesting when being compared to our hypothesis and we learned that some chemicals can react faster than others and each contains a different
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Paper 11 Task 1 The Editor Estrick News High Street Estrick ES1 2TN 12-06-2012 Dear Editor‚ I am writing in response to the previous letter of the week by Bill Sagar. Bill strongly stated that he considered the six weeks summer holidays children have is too long and could be potentially disrupting their studies. I wish to state that I disagree with this view for the following reasons‚ firstly children are children and should thus be given a chance to breathe‚ rest‚ relax and have fun
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Aishwarya Rana Professor Edison Williams English 101 09/09/2014 Why This Major? I entered this university with the sole purpose of getting a degree in the major I chose for myself. But this fall trimester‚ I came across some freshmen that had not decided their major yet. Watching them confused and lost‚ I caught myself thinking about different subjects and fields I could have taken. Not that I’m having second thoughts or anything but‚ I just wonder how I ended up taking business studies and not
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Agglutination Reaction Date performed: May 7‚ 2012 Group members present: Tan‚ Kevin Kyle Sy Ting‚ Shermae Tomimbang‚ Charisse Christine I. Introduction Agglutination is the clumping of particles. The word agglutination comes from the Latin agglutinare‚ meaning "to glue." This occurs in biology in three main examples: 1. The clumping of cells such as bacteria or red blood cells in the presence of an antibody. The antibody or other molecule binds multiple particles and joins
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Political culture plays a huge role in Texas politics‚ but what is political culture? Political culture is a set of attitudes‚ beliefs and sentiments which give a meaning to a political process. It includes moral judgments‚ political myths‚ beliefs‚ and ideas about what makes for a good society. A political culture is a reflection of a government‚ but it also incorporates elements of history and tradition that may influence today’s population. Political cultures matter because they shape a population’s
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C‐130 Aircraft Propeller Governor Assembly Author Omar Hayat Khan Reg No. 040413 Thesis submitted in partial fulfillment of the requirements for the degree of M.S. Mechatronics Engineering Thesis Supervisor: Dr. Shaiq A. Haq Professor‚ Department of Mechatronics Engineering DEPARTMENT OF MECHATRONICS ENGINEERING FACULTY OF ENGINEERING AIR UNIVERSITY‚ ISLAMABAD November‚ 2009 Modeling of the C‐130 Aircraft Propeller Governor Assembly THESIS SUPERVISOR
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On February 23‚ 1861‚ the voters of Texas overwhelmingly approved a referendum calling for secession from the United State of America. Just two months later‚ the Civil war began and Texas was engaged in a bloody battle of lifestyles and beliefs that cost both the North and the South dearly. There were many reasons Texas fought in the civil war. Texas fought in the Civil War because‚ they wanted to protect their state rights‚ their love for Texas‚ and to preserve slavery. These reasons were important
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Preparation of an Acetic Acid Ester Abstract: 14.1 g of octyl acetate were synthesized from the esterification process using 20.0 ml of acetic acid and 17.9 g of n-octanol. The theoretical yield was 23.8 g of octyl acetate. The percent yield was 59.2%. The purification of the final ester was confirmed by boiling point (186-199°C) and infrared index (nD=1.419). It was a colorless liquid that had a slight fragrance of orange and indescribable chemicals. The Infrared spectra confirmed ester
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The Literature about the Titanic The Titanic sunk April 14‚ 1912 after crashing into an iceberg. More than 1‚500 lives were lost. The sinking of the Titanic made a great impact in history. It was thought to be the fastest ship and to be unsinkable. Although the sinking of the Titanic was so long ago‚ lots of literature has been written about the ship. Three pieces of literature are a poem by David R. Slavitt entitled "Titanic"‚ a folk song published by Carl Sandburg in a book named The America
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“A man who has never gone to school may steal from a freight car; but if he has a university education‚ he may steal the whole railroad.” As said by Theodore Roosevelt. While going to college may not be an attainable opportunity‚ I believe for those that it is reasonable to‚ should take every step towards higher education. For me‚ the decision was an easy one. Higher education is a privilege that I would not take for granted. Although I have only attended college for two years‚ I have expanded my
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